Veritas Storage Foundation 5.1 SP1: Storage and Availability Management for Oracle (5900-1504, April 2011)

Overview of database

accelerators

This chapter includes the following topics:

■ About Storage Foundation database accelerators

■ About Quick I/O

■ About Oracle Disk Manager

■ About Oracle Disk Manager and Oracle Managed Files

■ About Cached ODM

About Storage Foundation database accelerators

The major concern in any environment is maintaining respectable performance

or meeting performance SLAs. Veritas Storage Foundation improves the overall

performance of database environments in a variety of ways.

■ Quick I/O (QIO)

■ Cached Quick I/O (CQIO)

■ Oracle Disk Manager (ODM)

■ Cached Oracle Disk Manager (CODM)

These database accelerator technologies enable database performance equal to

raw disk partitions, but with the manageability benefits of a file system. With the

Dynamic Multi-pathing feature of Storage Foundation, performance is maximized

by load-balancing I/O activity across all available paths from server to array.

Dynamic Multi-pathing supports all major hardware RAID vendors, hence there

Chapter